Material:Stainless steel + aluminum + stainless steel
Package includes:1pc Brake Disc,6pcs bolts
Please look at the second photo, it shows the variation you choose.
Advanced heat control for disc brake systems
180mm 6-bolt (PCD 44mm) Ice-Tech Rotor
Aluminum core construction
Lowers operating temperature
Resists power fade
Lightweight/heat resistance: reduce wear and noise, and increase the service life of brake pads.
SM-RT86-S 160MM 6 BOLT 115g
SM-RT86-M 180MM 6 BOLT 135g
SM-RT86-L 203MM 6 BOLT 170g